Finding the Fourth Proportional to 193,516.97, 267,044.40 and 107,481.44
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Solution
The fourth proportional to 193,516.97, 267,044.40 and 107,481.44 is: 148,319.38
Step by Step Solution
- Step 1: Write the proportion equation
193,516.97 : 267,044.40 = 107,481.44 : x - Step 2: Convert to fraction form
193,516.97/267,044.40 = 107,481.44/x - Step 3: Cross multiply
193,516.97x = 267,044.40 × 107,481.44 - Step 4: Simplify right side
193,516.97x = 28,702,315,320.71 - Step 5: Solve for x
x = 28,702,315,320.71/193,516.97 - Step 6: Final answer
x = 148,319.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.